

<div style="position:fixed;right:20px;bottom:20px;z-index:20;" >
		<div style="border: #d9d9d9 1px solid;width: 45px;" id="_returnTop_layout_inner" >
			<a href="javascript:void(0);" id="goto_top_btn" style="position: relative;height: 45px;display: block;text-decoration: none;overflow: hidden;background-color: #fafafa;color: #8c8c8c;" >            
				<i style="background-image:url(/skin/img/qq_top.png);background-position: -246px 0;display: block;margin: 10px auto 0;width: 25px;height: 25px;" title="返回顶部"></i>
				<span style="display: none;text-align: center;margin-top: 15px;text-decoration: none;">顶部</span>        
			</a>
		</div>
	</div>

<script>
$(document).ready(function(){
	
	$("#goto_top_btn").click(function(){
		$(document).scrollTop(0);
	});
});
</script>